Home / 136,850,076.27-188,701,803.95-87,211,863.02

Finding the Fourth Proportional to 136,850,076.27, 188,701,803.95 and 87,211,863.02

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Solution

The fourth proportional to 136,850,076.27, 188,701,803.95 and 87,211,863.02 is: 120,255,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,850,076.27 : 188,701,803.95 = 87,211,863.02 : x
  2. Step 2: Convert to fraction form
    136,850,076.27/188,701,803.95 = 87,211,863.02/x
  3. Step 3: Cross multiply
    136,850,076.27x = 188,701,803.95 × 87,211,863.02
  4. Step 4: Simplify right side
    136,850,076.27x = 16,457,035,876,334,726
  5. Step 5: Solve for x
    x = 16,457,035,876,334,726/136,850,076.27
  6. Step 6: Final answer
    x = 120,255,949.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.